22705607 has 4 divisors (see below), whose sum is σ = 22774536. Its totient is φ = 22636680.

The previous prime is 22705597. The next prime is 22705649. The reversal of 22705607 is 70650722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70650722 = 2 ⋅35325361.

It is a cyclic number.

It is not a de Polignac number, because 22705607 - 2⁸ = 22705351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22705607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22705667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33968 + ... + 34629.

It is an arithmetic number, because the mean of its divisors is an integer number (5693634).

Almost surely, 2^22705607 is an apocalyptic number.

22705607 is a deficient number, since it is larger than the sum of its proper divisors (68929).

22705607 is an equidigital number, since it uses as much as digits as its factorization.

22705607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68928.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 22705607 is about 4765.0400837768. The cubic root of 22705607 is about 283.1681296062.

The spelling of 22705607 in words is "twenty-two million, seven hundred five thousand, six hundred seven".